Compact pressure causes a martensitic transformation of partially stabilized tetragonal bismuth-doped ZrO2 powders to the monoclinic phase, A similar effect is not observed when pelletization, followed by firing, of amorphous bismuth/ZrO2 is performed, The stress-induced transition has been monitored via X-ray diffractometry, Raman spectroscopy, and Fourier transform infrared reflectivity. Surface bismuth segregation, which involves few ionic planes, has been probed by angle-resolved X-ray photoelectron spectroscopy, The bismuth segregation enthalpy has been evaluated.
Mechanically induced phase transformation and surface segregation in bismuth-doped tetragonal zirconia
GULINO, Antonino;
1998-01-01
Abstract
Compact pressure causes a martensitic transformation of partially stabilized tetragonal bismuth-doped ZrO2 powders to the monoclinic phase, A similar effect is not observed when pelletization, followed by firing, of amorphous bismuth/ZrO2 is performed, The stress-induced transition has been monitored via X-ray diffractometry, Raman spectroscopy, and Fourier transform infrared reflectivity. Surface bismuth segregation, which involves few ionic planes, has been probed by angle-resolved X-ray photoelectron spectroscopy, The bismuth segregation enthalpy has been evaluated.File in questo prodotto:
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